22146370 has 8 divisors (see below), whose sum is σ = 39863484. Its totient is φ = 8858544.

The previous prime is 22146367. The next prime is 22146373. The reversal of 22146370 is 7364122.

It is an interprime number because it is at equal distance from previous prime (22146367) and next prime (22146373).

It can be written as a sum of positive squares in 2 ways, for example, as 20784481 + 1361889 = 4559^2 + 1167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22146373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107309 + ... + 1107328.

Almost surely, 2^22146370 is an apocalyptic number.

22146370 is a deficient number, since it is larger than the sum of its proper divisors (17717114).

22146370 is a wasteful number, since it uses less digits than its factorization.

22146370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214644.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22146370 is about 4705.9929876701. The cubic root of 22146370 is about 280.8239759102.

The spelling of 22146370 in words is "twenty-two million, one hundred forty-six thousand, three hundred seventy".